Which elements have similar behavior? barium silicon aluminum strontium osmium beryllium

Barium, beryllium, and Strontium

Explanation:

These 3 elements are located in the same group, which determines the number of valence electrons.

The valence electrons determine how reactive an element will be.    

A. →barium

B. silicon

C. aluminum

D. →strontium

E.osmium

F. →beryllium

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in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

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tony (lordcaos066)